MATH questions (2)
Use Excel to answer the following questions.
1. Construct a histogram and a frequency polygon for the following data.
Class Interval | Frequency |
30-under 32 | 5 |
32-under 34 | 7 |
34-under 36 | 15 |
36-under 38 | 21 |
38-under 40 | 34 |
40-under 42 | 24 |
42-under 44 | 17 |
44-under 46 | 8 |
2. Are the advertising dollars spent by a company related to total sales revenue? The following data represent the advertising dollars and the sales revenues for various companies in a given industry during a recent year. Construct a scatter plot of the data from the two variables and discuss the relationship between the two variables.
Advertising (in $millions) | Sales (in $millions) |
4.2 | 155.7 |
1.6 | 87.3 |
6.3 | 135.6 |
2.7 | 99.0 |
10.4 | 168.2 |
7.1 | 136.9 |
5.5 | 101.4 |
8.3 | 158.2 |
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Notes
Use Excel to answer the following questions. Copy and paste your Excel tables and graphs to this document and submit everything in one …
Notes
Use Excel to answer the following questions. Copy and paste your Excel tables and graphs to this document and submit everything in one word file.
1. Construct a …